12003012288 has 84 divisors (see below), whose sum is σ = 34667314968. Its totient is φ = 3970437120.

The previous prime is 12003012247. The next prime is 12003012289. The reversal of 12003012288 is 88221030021.

It is not an unprimeable number, because it can be changed into a prime (12003012289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4081 + ... + 154992.

Almost surely, 2^12003012288 is an apocalyptic number.

12003012288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12003012288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17333657484).

12003012288 is an abundant number, since it is smaller than the sum of its proper divisors (22664302680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12003012288 is a wasteful number, since it uses less digits than its factorization.

12003012288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159222 (or 159209 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 12003012288 in words is "twelve billion, three million, twelve thousand, two hundred eighty-eight".